#include <stdio.h>

int max(int x, int y);

int main(void)
{
	int a = 10, b = 5, c;
	int (*p)(int x, int y);

	p = max;
	c = (*p)(a, b);
	printf("The bigger value of %d and %d is %d.\n", a, b, c);

	return 0;
}

int max(int x, int y)
{
	if (x > y)
		return x;
	else
		return y;
}